<template>
	<el-form
			v-show="getShow"
			ref="formLogin"
			:model="loginData.loginForm"
			:rules="LoginRules"
			class="login-form"
			label-position="top"
			label-width="120px"
			size="large"
	>
		<el-row style="margin-right: -10px; margin-left: -10px">
			<el-col :span="24" style="padding-right: 10px; padding-left: 10px">
				<div style="padding-bottom: 20px; text-align: center">
					<img class="logo-img" src="@/assets/imgs/login/logo.png"/>
				</div>
			</el-col>
			<el-col :span="24" style="padding-right: 10px; padding-left: 10px">
				<el-form-item v-if="loginData.tenantEnable === 'true'" prop="tenantName">
					<el-input
							v-model="loginData.loginForm.tenantName"
							:placeholder="t('login.tenantNamePlaceholder')"
							:prefix-icon="iconHouse"
							link
							type="primary"
					/>
				</el-form-item>
			</el-col>
			<el-col :span="24" style="padding-right: 10px; padding-left: 10px">
				<el-form-item prop="username" label="账号">
					<el-input
							size="large"
							v-model="loginData.loginForm.username"
							:placeholder="t('login.usernamePlaceholder')"
					/>
				</el-form-item>
			</el-col>
			<el-col :span="24" style="padding-right: 10px; padding-left: 10px">
				<el-form-item prop="password" label="密码">
					<el-input
							v-model="loginData.loginForm.password"
							:placeholder="t('login.passwordPlaceholder')"
							show-password
							size="large"
							type="password"
							@keyup.enter="getCode()"
					/>
				</el-form-item>
			</el-col>
			<el-col :span="24" style="padding-right: 10px; padding-left: 10px">
				<el-row>
					<el-col :span="17">
						<el-form-item prop="code" label="验证码">
							<el-input
									size="large"
									v-model="loginData.loginForm.code"
									placeholder="请输入验证码"
							/>
						</el-form-item>
					</el-col>
					<el-col :span="6" :offset="1">
						<div class="login-codeshow">{{ RandomNumber }}</div>
					</el-col>
				</el-row>
			</el-col>
			<el-col :span="24" style="padding-right: 10px; padding-left: 10px">
				<el-form-item>
					<XButton
							:loading="loginLoading"
							:title="t('login.login')"
							class="w-[100%]"
							type="primary"
							@click="getCode()"
					/>
				</el-form-item>
			</el-col>
			<el-col
					:span="24"
					style="padding-right: 10px; padding-left: 10px; margin-top: -14px; margin-bottom: -20px"
			>
				<el-form-item>
					<el-row justify="space-between" style="width: 100%">
						<el-col :span="6">
							<el-checkbox v-model="loginData.loginForm.rememberMe" fill="#0D0D0D">
								{{ t('login.remember') }}
							</el-checkbox>
						</el-col>
						<!--						<el-col :offset="6" :span="12">-->
						<!--							<el-link style="float: right" type="primary">{{ t('login.forgetPassword') }}</el-link>-->
						<!--						</el-col>-->
					</el-row>
				</el-form-item>
			</el-col>
			<Verify
					ref="verify"
					:captchaType="captchaType"
					:imgSize="{ width: '400px', height: '200px' }"
					mode="pop"
					@success="handleLogin"
			/>
		</el-row>
	</el-form>
</template>
<script lang="ts" setup>
import {ElLoading} from 'element-plus'
import type {RouteLocationNormalizedLoaded} from 'vue-router'

import {useIcon} from '@/hooks/web/useIcon'

import * as authUtil from '@/utils/auth'
import {usePermissionStore} from '@/store/modules/permission'
import * as LoginApi from '@/api/login'
import {LoginStateEnum, useFormValid, useLoginState} from './useLogin'
import {login} from '@/api/login'

defineOptions({name: 'LoginForm'})

const {t} = useI18n()
const message = useMessage()
const iconHouse = useIcon({icon: 'ep:house'})
const iconAvatar = useIcon({icon: 'ep:avatar'})
const iconLock = useIcon({icon: 'ep:lock'})
const formLogin = ref()
const {validForm} = useFormValid(formLogin)
const {setLoginState, getLoginState} = useLoginState()
const {currentRoute, push} = useRouter()
const permissionStore = usePermissionStore()
const redirect = ref<string>('')
const loginLoading = ref(false)
const verify = ref()
const captchaType = ref('blockPuzzle') // blockPuzzle 滑块 clickWord 点击文字

const getShow = computed(() => unref(getLoginState) === LoginStateEnum.LOGIN)

const RandomNumber = ref()

const setRandomNumber = () => {
  RandomNumber.value = `${Math.floor(Math.random() * 10)}${Math.floor(Math.random() * 10)}${Math.floor(Math.random() * 10)}${Math.floor(Math.random() * 10)}`
}

setRandomNumber()

const LoginRules = {
  tenantName: [required],
  username: [required],
  password: [required],
  code: [required]
}
const loginData = reactive({
  isShowPassword: false,
  captchaEnable: import.meta.env.VITE_APP_CAPTCHA_ENABLE,
  tenantEnable: import.meta.env.VITE_APP_TENANT_ENABLE,
  loginForm: {
    tenantName: 'wisp',
    username: '',
    code: undefined,
    password: '',
    captchaVerification: '',
    rememberMe: true // 默认记录我。如果不需要，可手动修改
  }
})

const socialList = [
  {icon: 'ant-design:wechat-filled', type: 30},
  {icon: 'ant-design:dingtalk-circle-filled', type: 20},
  {icon: 'ant-design:github-filled', type: 0},
  {icon: 'ant-design:alipay-circle-filled', type: 0}
]

// 获取验证码
const getCode = async () => {
  // 情况一，未开启：则直接登录
  if (loginData.captchaEnable === 'false') {
    await handleLogin({})
  } else {
    // 情况二，已开启：则展示验证码；只有完成验证码的情况，才进行登录
    // 弹出验证码
    verify.value.show()
  }
}
// 获取租户 ID
const getTenantId = async () => {
  if (loginData.tenantEnable === 'true') {
    const res = await LoginApi.getTenantIdByName(loginData.loginForm.tenantName)
    authUtil.setTenantId(res)
  }
}
// 记住我
const getLoginFormCache = () => {
  const loginForm = authUtil.getLoginForm()
  if (loginForm) {
    loginData.loginForm = {
      ...loginData.loginForm,
      username: loginForm.username ? loginForm.username : loginData.loginForm.username,
      password: loginForm.password ? loginForm.password : loginData.loginForm.password,
      rememberMe: loginForm.rememberMe,
      tenantName: loginForm.tenantName ? loginForm.tenantName : loginData.loginForm.tenantName
    }
  }
}
// 根据域名，获得租户信息
const getTenantByWebsite = async () => {
  const website = location.host
  const res = await LoginApi.getTenantByWebsite(website)
  if (res) {
    loginData.loginForm.tenantName = res.name
    authUtil.setTenantId(res.id)
  }
}
const loading = ref() // ElLoading.service 返回的实例
// 登录
const handleLogin = async (params) => {
  if (loginData.loginForm.code !== RandomNumber.value) {
    message.error('验证码不一致，请重新输入')
    setRandomNumber()
    return
  }
  loginLoading.value = true
  try {
    await getTenantId()
    const data = await validForm()
    if (!data) {
      return
    }
    loginData.loginForm.captchaVerification = params.captchaVerification
    const res = await LoginApi.login(loginData.loginForm)
    if (!res) {
      return
    }
    loading.value = ElLoading.service({
      lock: true,
      text: '正在加载系统中...',
      background: 'rgba(0, 0, 0, 0.7)'
    })
    if (loginData.loginForm.rememberMe) {
      authUtil.setLoginForm(loginData.loginForm)
    } else {
      authUtil.removeLoginForm()
    }
    authUtil.setToken(res)
    if (!redirect.value) {
      redirect.value = '/'
    }
    // 判断是否为SSO登录
    if (redirect.value.indexOf('sso') !== -1) {
      window.location.href = window.location.href.replace('/login?redirect=', '')
    } else {
      push({path: redirect.value || permissionStore.addRouters[0].path})
    }
  } finally {
    loginLoading.value = false
    loading.value.close()
  }
}

// 社交登录
const doSocialLogin = async (type: number) => {
  if (type === 0) {
    message.error('此方式未配置')
  } else {
    loginLoading.value = true
    if (loginData.tenantEnable === 'true') {
      // 尝试先通过 tenantName 获取租户
      await getTenantId()
      // 如果获取不到，则需要弹出提示，进行处理
      if (!authUtil.getTenantId()) {
        try {
          const data = await message.prompt('请输入租户名称', t('common.reminder'))
          if (data?.action !== 'confirm') throw 'cancel'
          const res = await LoginApi.getTenantIdByName(data.value)
          authUtil.setTenantId(res)
        } catch (error) {
          if (error === 'cancel') return
        } finally {
          loginLoading.value = false
        }
      }
    }
    // 计算 redirectUri
    // tricky: type、redirect需要先encode一次，否则钉钉回调会丢失。
    // 配合 Login/SocialLogin.vue#getUrlValue() 使用
    const redirectUri =
        location.origin +
        '/social-login?' +
        encodeURIComponent(`type=${type}&redirect=${redirect.value || '/'}`)
    
    // 进行跳转
    const res = await LoginApi.socialAuthRedirect(type, encodeURIComponent(redirectUri))
    window.location.href = res
  }
}
watch(
    () => currentRoute.value,
    (route: RouteLocationNormalizedLoaded) => {
      redirect.value = route?.query?.redirect as string
    },
    {
      immediate: true
    }
)
onMounted(() => {
  getLoginFormCache()
  getTenantByWebsite()
})
</script>

<style lang="scss" scoped>
:deep(.anticon) {
  &:hover {
    color: var(--el-color-primary) !important;
  }
}

:deep(.el-form-item .el-form-item__label) {
  font-size: 16px !important;
  font-weight: 500 !important;
  color: #0d0d0d !important;
	margin-top: 24px !important;
}

:deep(.el-checkbox__input.is-checked .el-checkbox__inner) {
  background-color: #0d0d0d !important;
  border-color: #0d0d0d !important;
}

:deep(.el-checkbox__input.is-checked + .el-checkbox__label) {
  color: #0d0d0d !important;
}

.logo-img {
  width: 177px;
  height: 178px;
}

:deep(.el-input__wrapper) {
  height: 56px;
  
}

:deep(.el-input__inner) {
  height: 56px;
}

.login-codeshow {
  width: 102px;
  height: 56px;
  margin-top: 34px + 24px;
  margin-left: auto;
  font-size: 16px;
  font-weight: 400;
  line-height: 56px;
  letter-spacing: 6px;
  color: #fff;
  text-align: center;
  background: #333;
  border-radius: 8px;
  box-sizing: border-box;
  user-select: none;
}

.login-code {
  float: right;
  width: 100%;
  height: 38px;
  
  img {
    width: 100%;
    height: auto;
    max-width: 100px;
    vertical-align: middle;
    cursor: pointer;
  }
}
</style>
